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Identify the structure of the human heart which is a valve between the aorta and the left ventricle of the heart that prevents the blood from flowing back into the left ventricle. (check out the hint)

2 Answers

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The valve that prevents blood from flowing back into the aorta is the aortic valve. 
User Stedy
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The answer it's (B) aortic valve
User Minh Tri
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